Audio device



FIG. 1 is a top, front perspective view of the audio device;

FIG. 2 is a bottom, back perspective view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a front view thereof; and,

FIG. 7 is a back view thereof. 

CLAIM The ornamental design for an audio device, as shown and described. 